13081429 has 4 divisors (see below), whose sum is σ = 13175680. Its totient is φ = 12987180.

The previous prime is 13081427. The next prime is 13081433. The reversal of 13081429 is 92418031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92418031 = 2221 ⋅41611.

It is a cyclic number.

It is not a de Polignac number, because 13081429 - 2¹ = 13081427 is a prime.

It is a super-2 number, since 2×13081429² = 342247569364082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13081397 and 13081406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13081423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46917 + ... + 47194.

It is an arithmetic number, because the mean of its divisors is an integer number (3293920).

Almost surely, 2^13081429 is an apocalyptic number.

It is an amenable number.

13081429 is a deficient number, since it is larger than the sum of its proper divisors (94251).

13081429 is an equidigital number, since it uses as much as digits as its factorization.

13081429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94250.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 13081429 is about 3616.8258183109. The cubic root of 13081429 is about 235.6233878737.

The spelling of 13081429 in words is "thirteen million, eighty-one thousand, four hundred twenty-nine".